Ventilator



Oct.. 9 1923. v 1,470,262

o. HENRlKsr-:N l

VENTILATOR Filed sept. le. 1921 2 sheets-sheet 1 DEEE? Henriksen O.HENHKSEN VENTILATOR Oct. 9 1923. l 1,470,2@2

Filed Sept. 16. 1921v 2 Shee'bS-Sheeil 2 6 if in mim aktovvwi Patented @et 9, 19230 naar OSCAR HENRIKSEN, OF ARGYLE, MENNESOTA.

VENTILATOR.

Application filed September 16, 1921.

To all lwhom t may concern.'

Be it known that l, OSCAR Hnnnriisniv, a. citizen of the United States, residing at Argyle, in the county oi" Marshall and State of Minnesota, have invented certain new and useful improvements in Ventilatore, ot which the following is a specification, reference being had to the accompanying drawings.

This invention relates to ventilators, and particularly to ventilators in walls, doors and under like si tuations such as is disclosed in my application it'or patent 274,121, filed June 1, 1921.

The general object of this invention is the same as that in my previous application, namely to provide a ventilator particularly adapted to be placed in doors and provided with two valves or closures on the inner and outer Lt'aces ot the door, these valves or closures being` simultaneously shittable away from each other to open passage through the ventilator or simultaneously shittable toward each other to close passage through the ventilator.

In the ventilator which was illustrated in my prior application above referred to, the valves, doors or closures are mounted tor movement in a horizontal plane on the ends of supporting lazy-tongs, and in practice 1 have found that in the structure as illustrated there is lost motion and play ot the several parts and a tendency on the part oiE the doors or closures when open to sag.

A particular object of the present invention is to overcome this objection and turtlier prevent anyone from peeping through the opening in the door by providing closnres which are hinged to the door or wall so that they will swing outward in the arc of a circle, and provide means whereby one of these closures being shifted outward will automatically shift the other closure outward and vice versa.

A further object is to provide a construction ot this character in which the closure or valve on the exterior of the door is hinged at its upper end, while the closure on the inside tace of the door is hinged at its lower end so as to completely obstruct any view through the door into the room. n

Other objects will appear in the course of the following description,

Seria1 No. 501,140.

My invention is illust-rated in the accompanying drawings, wherein Figure 1 is a horizontal section through one form of my ventilator;

Figure 2 is a vertical longitudinal section taken on the line 2 2 oit' Figure 1;

Figure 3 is a vertical transverse section, the closures being shown in open position;

Figure 1 lis a horizontal sectional view through another form of ventilator;

Figure 5 isa vertical sectional view on line 5 5 ot Figure 4C;

Figure 6 is a vertical sectional view on line 6 6 of Figure 1; the closures being shown in open position and Figure 7 is an enlarged detail sectional view through the pivot of the lazy-tongs with the oscillating rod.

ln Figure 1, I have illustrated a strucl tural element A, such as the door of an otlice, the structural element having a passage or opening extending entirely through it, in which is inserted a lining or trame of sheet metal 1() having a depth approximately that of the door, wall or other like building element in which the ventilator is to be placed and open at its forward and rear ends, this lining or 'trarne being rectangular .in form. The lining is attached to the wall of the opening in which it is to be inserted by means of screws 11 or any other l.suitable means. l do not wish to be limited to the detailed. construction of the casing.

lExtending vertically of the lining is a pin 12 constituting a vertical shaft. EX- tending longitudinally through the lining is a tiltable bar 13 which supports the pin 12. rllhis bar at its outer ends is reduced to form trunnions 14 which are oscillatable in the end walls of the lining. Mounted upon the pin 12 adjacent the longitudinal bar 13 is one section of a lazy-tongs consisting of the tour links 15 pivoted to each other, as at 16, These links 15 are pivotally connected each at its middle to the cross bars 17 and 18, the pin 12 passing through these cross bars at the middle thereof. At the point of connection of the opposite links 15 with each other, the connecting pin 16 is pivoted to a short link 19, which in turn is hinged to the adjacent closure 20. These closures are shown as hinged to the lining by hinges 21 which engage the lining. The outermost closure is preferably hinged to the top of the lining so that it opens upward, While the innermost closure is preferably hinged to the bottom of the lining so that it opens doivn- Ward.

lt Will be obvious now that when force is pplied to one of the closures 2O to open it, the lazy-tongs will be expanded and the other closure will be forced open also, and that when one of the closures is closed the opposite closure Will be closed. Preferably the lateral ends of the lazy-tongs are supported by means of vertical pins 22 which form the pins pivotally connecting the links l5 and which extend upward and pass through slots 23 formed in the bar 13. The ends of the pins are provided With heads Q4 larger than the slots so as to hold the pins in the slots and prevent the lazy-tongs from getting out the line. TWith this construction it is obvious that the doors may be opened and closed simultaneously, this being permitted by the tilting movement of the cross bar 13 on its trunnions 14 so that when the closures are opened this cross bar Will take the position shown in Figure 3. This construction will permit the closures to be opened to a horizontal position or to any desired angle.

The closure plates are `intended to he of thinsheet metal and preferably braced by diagonal braces or corrugations so that they Will be strong and rigid. Preferably the closure plates will extend in all directions beyond the casing Wall and the opposite faces of the door A or Wall vvherein the lining 10 is inserted is counter-sunk so that the closure plates Will be flush with the eX- terior faces of said Wall when the ventilator is closed. Knobs may be applied to these closures or plates whereby they may be manipulated.

With this construction the closures may be left open at night when desired so as to permit a draft of air to pass through the room at all times and thus avoid the objectionable closeness due to rooms being entirely closed during the night. A ventilator of this construction is very neat and yet at the same time prevents anyone from looking into the room through the ventilator opening even when the closures are opened.

It is obvious that the device may be modified in many Ways Without departing from the principle of the invention as set forth in the appended claims.

In the construction previously shown and described a .lining of sheet metal is fitted in the opening of the door or other closure, for the mounting of the ventilator, and in such instances the manufacturer when constructing doors and the like as stock material, the linings and the ventilators are applied at the same time, in view of the fact that the linings may be made to fit the inf/osea openings, or the openings made of the proper size to receive the linings. ln these cases the Work may be neatly and properly finished.

However, Where the ventilator is to be man` ufactured independently of the door or other closure, and subsequently applied, it is advisable to obviate the necessity of inaking several sizes of linings, due to the various thicknesses of doors. Furthermore careless carpenters or others are very apt to cut imperfect openings in vthe door or other closures or the lil-e and in such instances the linings heretofore described would not t properly.

liy providing the trim frames at both ends of the opening extending through the door or other structural element, l thereby cover up imperfcctly constructed openings and also obviate the necessity of making linings of several sizes.

Referring to Figures 4 to 6 inclusive, the structural element A is provided With an opening 30, which may be any suitable size, and fastened hy screws 3l to the end walls of the opening are platos 32, Which have bearings for the ends of a rocking shaft These plates 32 are arranged vertically, though not necessarily so, and to provide for the hearings, the central portions of the plates are arched or offset as at 35.

lt is obvious that the trim frames may be made of several sizes, and should the opening in the door be a trifle larger than necessary, the trim frames 36 Will cover up the size of the opening. The trim frames 36 may be made of any suitable material, such as cast iron, brass, aluminum or other suitable metal, and may be made in the form of castings, and since they are angular in cross section. certain of their flanges 37 engage Within the opening in the door, While their other flanges 38 overlie the opposite faces of the door at points immediately surrounding the margin ofthe opening. rlhe trim frames shoivn as :fastened to the door or other closure by means of screws 39.

llingedlv united to the trim frames, in any suitable manner, preferably by piano hinges 40 at diametrically opposite positions are ventilating closures 41.r similar to the closures These ventilating closures 4l may be constructed of any suitable material, preferably sheet iron` brass or aluminum, and may be provided with reinforcing ribs 42.

Secured to Jrhe inner faces of they ventilating closures, either by spot Welding or riveting as indicated at 43 are hinge leaves 44.

The shaft or rod 34 substantially at its iiddle has a laterally projecting stud 45, to the reducedv portion 46 of which the lazyn tong connections between the ventilating cloeures are pivotally mounted. These lazytong connections consist of the bars 17*1 and Bti 18a, which are pivotally mounted upon the reduced portion 46 of the stud pin. rlhe reduced portion 46 is again reduced as at 4:7, and this portion is threaded. Engaged with the threaded reduced portion i7 is a washer il-S, which is held against the shoulder i9 by the nut 50. The bars 17 and 18a are located between the washer 48 and the shoulder 51, and the space between the washer 48 and the shoulder 5l is sufficient to permit the bars 17a and 18a to freely move and yet not enough to permit looseness or play for the Ventilating closures. lt is obvious that any other suitable connection between the bars 17a and 1S@ may be provided for mounting the bars on the shaft or rod 34.

l'iinlzs 52 and 53 arranged in pairs are pivotally connected to the'ends of the bars 17a and 18a as at 54 and are in turn connected at to the plates 56, which are hingedly connected at 57 to the plates 44, which are carried bv the Ventilating closures` lt is obvious that when one or the other ol the Ventilating closures is moved, the other correspondingly moves, and due to the trim :trames engaging the opposite sides of the door and extending partly into the opening' thereof, the imperfect or irregular opening formed in the door is covered. lt is obvious that by means ot' these trim frames, the Ventilating device may be applied to doors or other closures or other places of various thicknesses, due to the elimination o't the rectangular casing. Stock doors may be equipped with the ventilator, or the ventilator may be manufactured separately, and subsequently applied to the doors or other places.

l claim l. A ventilator oi the character described i ncluding an element having a passage therethrough open at its opposite ends, closure plates hinged to the element at the ends of the passage. one of said closure plates being binsred to the top wall of the passage and the other to the bottom wall of the passaire` and means tor simultaneously opening or closingthe closure plates including an oscillatably mounted cross bar, and a lazytongs operatively supported upon the cross bar and having` opposite portions operatively connected to the closure plates.

2. In a ventilator tor the purpose indicated, a panel having a ventilating opening, rectangular iframes disposed on the outer faces of the margins of said opening, Ventilating closures hingedly mounted. upon diagonal opposite portions of said Jfra-Ines, an intermediate member mounted in said opening.: between the said frames, a rocking element mounted in the intermediate member, extensible means carried by the rocking @lenient and operatively connecting with said opposite Ventilating closures, whereby both Ventilating closures may simultaneously open or close by pressure exerted against either closure.

2?. In a ventilator for the purpose indicated, a panel provided with a ventilatinpr opening, Ventilating` closures hingedly mounted adjacent; the diagonally opposite portions of said opening, a. roclring element journaled in bearings ot the opposite sides ott said openings, lazy-tong bars pivotally mounted on said rocking element in offset positions thereto, and lazy-tong links connecting the remote ends of said bars and said Ventilating' closures, whereby' both closures may simultaneously open or close by pressure exerted against either closure.

et. In a Ventilator, an element having a Ventilatingpassage extending entirely therethrough, Ventilating closures coaeting with the ends of said passage and operatively hinged to the element, a ro-clr shaft eX- tending transversely across the passage and operatively mounted in the end walls of the passage, a stud extending at right angles to the roclr shaft and carried thereby, crossed links pivotally mounted upon said stud, and a pair of links pivotally connected to the opposite ends of each pair of crossed links and pivotally connected to the corresponding closure whereby both closures may be simultaneously opened or closed by pressure exerted against either closure.

5, il ventilator of the character described comprising an element having' a passage extending therethrough to provide oppositely disposed Ventilating openingrs, closure plates for said opei'iings, one hinged to the top of the openingand the other hin ged to the bottom thereof, lazy-tongs disposed in said passage and including pivoted links, the outer and inner ends of the lazy-tongs having operative hinged engagement with the closure plates, and a. bar `tor supportingsaid lazytongs operatively mounted within the pas-I sage and adapted to permit the lazy-tongs to have bodily oscillation in a vertical plane.

ln testimony whereof l hereunto afiii; my si gnature.

OSCAR HENRlKSEN.

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